Jetpack: WPCC: Changing how it toggles whether or not to use Jetpack_Options. Modifying and tidying up a lot of the redirect handling after the login happens. Props @blobaugh


git-svn-id: https://plugins.svn.wordpress.org/jetpack/trunk@753688 b8457f37-d9ea-0310-8a92-e5e31aec5664